//函式式獲取物件
function $(id) {
    return document.getElementById(id);
}
function $$(name) {
	return document.getElementsByName(name);
}
function $$$(tagName) {
    return document.getElementsByTagName(tagName);
}

//物件式 
Base = {

    getId:function (id) {
        return document.getElementById(id);
    }
    getName:function
 
 (name) {
        return document.document.getElementsByName(name);
    }
    getTagName:function (tagName) {
        return document.document.getElementsByTagName(tagName);
    }
}